@misc{indiciae8d28b559caef,
  title = {Higher harmonic control for rotary wing aircraft},
  author = {Gupta, B. P. and Logan, A. H. and Wood, E. R.},
  year = {1984},
  url = {https://ntrs.nasa.gov/citations/19850031408},
  note = {Source identifier: 19850031408}
}